Soundproofing an exterior facing wall is a project that may be necessary to block out street noise or other distractions. Though it might sound like a difficult undertaking, it is actually simple enough for a do-it-yourself project. The type and amount of soundproofing material will vary depending on the amount of noise there is to block out. Most home improvement stores will carry the appropriate materials to complete the job.
Doors and Windows
It is important to remember that soundproofing will involve not just covering walls, but taking care of doors and windows as well. These areas will be the primary source of noise in the room. Simple weather stripping or draft guards will provide a tight seal around these spaces, and will aid in eliminating sound. A set of heavy curtains will provide sound buffering; the heavier and more textured the better. Combining these methods will increase noise reduction.
Acoustic foam is available in a number of thicknesses and styles to fulfill just about any requirement. It is the best choice for homes near railroad tracks or busy streets, and will dampen most of this noise. It is also an ideal option for decreasing the sound from home theaters, music studios and offices. The foam is designed to have no flat surfaces, a key element in dampening sound. High ceilings or large open spaces may create an echoing effect.
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Acoustic spray adds texture to walls and ceilings, a roughness that is key to reducing sound. It is generally the most cost effective option and works well, especially when combined with weather stripping around windows. The application process will vary depending on the brand, so follow the manufacturer's directions carefully.
Audimute is a family of products that will eliminate sound from walls, floors, windows and doors. There are solutions for both new buildings and existing rooms, but the cost is usually significantly higher than simpler methods. Their Peacemaker insulation is intended for use during the construction of a room, or as part of a remodel. The company also produces materials like wall coverings, absorption sheets and sound baffles for post-construction use. For a more economical option, look for materials that are textured or uneven. Cardboard egg cartons are a widely used alternative; they are simple to apply and inexpensive. Thick blankets or comforters may also be hung to dampen sound.